The Team
Capability Grown Through Experience and Talent
Primus Power has grown in expertise with years of intensive development work, gaining insight into the science of battery operation, chemistry, and physics. More than half the company's  employees have advanced degrees. Primus has been granted 34 patents in 9 countries/regions with 37 more patents pending. Adding to the team's capabilities are partnerships with leading investors, advisors, power delivery companies, and vendors of sophisticated electrical components. 
  1. Executive Director
    Tom Stepien
    CEO & Co-Founder
    Prior to joining Primus, Stepien was a VP & GM at semi equipment manufacturer Applied Materials responsible for a $500 million division. He holds a BS and MS in Mechanical Engineering from MIT, where he sits on the advisory board for the Laboratory for Manufacturing & Productivity. He is a co-inventor on numerous patents. He serves on the Board of the Special Olympics of Northern California.
  2. Executive Director
    G.J. La O'
    VP Technology
    Dr. La O' has more than a decade of experience in battery design; he is responsible for next generation electrochemical systems at Primus Power. He earned his PhD in Material Science from MIT, where he led a team researching catalysts and conducting membranes for battery systems. He has been published extensively and has numerous patents granted and pending.
  3. Executive Director
    Paul Kreiner
    VP Design Eng
    Prior to joining Primus, Kreiner worked at Tesla Motors as engineering lead for the battery module for the Model S where he advanced design, safety, and performance. He has a long term interest and experience in clean energy technology development. He holds a BS and MS in Mechanical Engineering from Stanford University. He is co-inventor on numerous patents and has published his research widely.
  4. Executive Director
    Mark Collins
    VP Operations
    Collins has worked twenty five year in establishing and running operations and information systems for entrepreneurial and established companies. He is a veteran of new product development helping to penetrate nascent market opportunities. He gained a valuable start to his career with a ten year tenure with Applied Materials, legendary company for operational excellence.
  5. Executive Director
    Hossein Kazemi
    VP System Eng
    Kazemi is responsible for control systems including software and power electronics. Formerly, he was Director of Power Systems at Greenvolts where he successfully led a team to design and manufacture inverter/motor drive products for concentrated PV application. He led a team developing inverters and converters at Satcon for battery, fuel cell, and solar applications. He holds a BS in Electrical Engineering from Beheshti University of Tehran. He has been granted 4 patents with an additional 7 pending.
Partners & Allies
  1. Executive Director
    Elton J. Cairns
    Prof at UC Berkeley
    Elton J. Cairns, Professor of Chemical and Biomolecular Engineering at UC Berkeley,is an acclaimed battery expert with extensive experience in research and development. He earned his Ph.D. at University of California Berkeley (1959), contributed to the development of the original Proton Exchange Membrane (PEM) fuel cells while at GE Research, and founded the molten salt battery and the fuel cell groups at Argonne National Laboratory. While at General Motors he helped develop a Zn/NiOOH battery for a fleet of electric cars and pickup trucks. Following this, he joined the Lawrence Berkeley National Lab as Associate Lab Director and Director of the Energy and Environment Division (1978-1996).
  2. Executive Director
    Mark Dudzinski
    Mark Dudzinski is a board member of All Points North Foundation, a small, private foundation based in Boston, MA. He also serves as the volunteer chairman of its Solar Subcommittee. After “retiring” from a 27-year high profile career as Chief Marketing Officer with GE Energy, he took the diverse skills he honed in the business world and now applies it to helping others through philanthropy work at APNF nationally. Internationally, he is founder of Light the World, a non-profit organization dedicated to bringing cost effective lighting to the 1.2 billion people who live by firelight when the sun sets. He is intent on changing the electricity delivery model globally.
  3. Executive Director
    Scott Thacker
    CEO, Ivory Consulting
    Scott Thacker, CEO of Ivory Consulting, a provider of software to calculate complex financing and leasing arrangements for capital equipment. He is a member of the Board of Directors of the Equipment Leasing and Finance Association and has served in leadership roles there. He is the co-director of the Research Committee of the Equipment Leasing and Finance Foundation. Prior to joining Ivory , Scott was a partner and co-leader of Accenture’s asset finance management consulting practice and was an executive at Oracle. Scott earned an M.B.A from the Wharton School of the University of Pennsylvania and a B.S. in Accounting from Wake Forest University. He is a Certified Public Accountant.


Primus Power      3967 Trust Way, Hayward, CA 94545      Phone:USA +1 (510) 342-7600